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Characteristic value determination from small samples
ID Zupan, Dejan (Avtor), ID Srpčič, Jelena (Avtor), ID Turk, Goran (Avtor)

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PID: 20.500.12556/rul/0f95a1f6-cca2-4df4-bb3d-3ae1b4394f16

Izvleček
The paper deals with the characteristic value determination from relatively small samples. When the distribution and its parameters of a random variable are known, the characteristic value is deterministic quantity. However, in practical problems the parameters of distribution are unknown and can only be estimated from random samples. Therefore the characteristic value is by itself a random variable. The estimates of characteristic values are strongly dependant on the distribution of random variable. In the paper we show the analytical solution for characteristic value determination from random samples of normal and lognormal random variables. The confirmation of analytical results is accomplished by the use of computer simulations. For Gumbel, and Weibull distribution the characteristic value estimates are obtained numerically by combination of simulations and bisection method. In the paper the numerical results are presented for 5% characteristic values with 75% confidence interval, which is in accord with the majority of European building standards. The proposed approach is demonstrated on the data of experimentally obtained bending strengths of finger jointed wooden beams. (C) 2006 Elsevier Ltd. All rights reserved.

Jezik:Angleški jezik
Ključne besede:characteristic value, smale sample, normal distribution, log-normal distribution, Gumbel distribution, Weibull distribution, simulations
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:Elsevier
Leto izida:2007
Št. strani:Str. 268-278
Številčenje:Letn. 29, št. 4
PID:20.500.12556/RUL-32117 Povezava se odpre v novem oknu
UDK:519.21:624
ISSN pri članku:0167-4730
DOI:10.1016/j.strusafe.2006.07.006 Povezava se odpre v novem oknu
COBISS.SI-ID:3588449 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:2949
Število prenosov:893
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Gradivo je del revije

Naslov:Structural safety
Skrajšan naslov:Struct. saf.
Založnik:Elsevier
ISSN:0167-4730
COBISS.SI-ID:6691333 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:karakteristična vrednost, majhen vzorec, normalna porazdelitev, logaritemska normalna porazdelitev, Gumbelova porazdelitev, Weibullova porazdelitev, simulacije

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